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ATSAML21G18B-MUT

Name: ATSAML21G18B-MUT
Rating: 4.7 (12 reviews)

IC MCU 32BIT 256KB FLASH 48QFN

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Mfr。パート #ATSAML21G18B-MUT
パッケージ VQFN-48
データシート ATSAML21G18B-MUT DataSheet
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
Series	SAM L21G, Functional Safety (FuSa)
ProductStatus	Active
CoreProcessor	ARM® Cortex®-M0+
CoreSize	32-Bit Single-Core
Speed	48MHz
Connectivity	I²C, LINbus, SCI, SPI, UART/USART, USB
Peripherals	DMA, POR, PWM, WDT
NumberofI/O	37
ProgramMemorySize	256KB (256K x 8)
ProgramMemoryType	FLASH
RAMSize	32K x 8
Voltage-Supply(Vcc/Vdd)	1.62V ~ 3.63V
DataConverters	A/D 14x12b; D/A 2x12b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	48-VFQFN Exposed Pad

概要

Description

The ATSAML21G18B-MUT is a microcontroller from Microchip's SAM L21 family, designed for low-power applications. It features a 32-bit ARM Cortex-M0+ core, operating at up to 48 MHz, and offers 256 KB of flash memory and 32 KB of SRAM. The device is optimized for battery-powered devices, featuring various low-power modes to extend battery life.
Key features include a rich set of peripherals such as I2C, SPI, USART, ADC, and PWM, which facilitate diverse application development. It also supports advanced features like the Event System for efficient inter-peripheral communication, and various power management options to optimize energy consumption.
The ATSAML21G18B-MUT is ideal for Internet of Things (IoT) devices, wearable technology, and any application where energy efficiency is critical. It is housed in a compact VQFN package, making it suitable for space-constrained designs. With a robust development ecosystem, including frameworks and libraries, developers can quickly prototype and bring their ideas to market.

Features

The ATSAML21G18B-MUT is a microcontroller from Microchip's SAM L21 series, designed for low-power applications. Key features include:
1. Architecture: ARM Cortex-M0+ core operating at up to 48 MHz.
2. Memory: 256 KB Flash memory, 32 KB SRAM.
3. Low Power: Ultra-low power consumption with various sleep modes, ideal for battery-operated devices.
4. Peripherals: Includes multiple I/O interfaces such as I2C, SPI, USART, and a 12-bit ADC with up to 14 channels.
5. Timers: Several 16-bit timers and a Real-Time Counter (RTC).
6. Digital Interfaces: Capacitive touch support and configurable GPIOs.
7. Security: Cryptographic hardware accelerators for secure applications.
8. Operating Voltage: Wide voltage range of 1.62V to 3.63V.
9. Packages: Available in various packages including QFN and VQFN for compact designs.
This combination of features makes the ATSAML21G18B-MUT suitable for IoT, wearable technology, and other energy-efficient applications.

Package

The ATSAML21G18B-MUT microcontroller is available in a QFN (Quad Flat No-lead) package type, specifically in a 48-pin configuration. This package type is designed for compact applications, providing a small footprint while allowing high-density connections.

Pinout

The ATSAML21G18B-MUT is a microcontroller from Microchip's SAM L21 series, featuring a total of 48 pins. This device is based on the ARM Cortex-M0+ architecture and operates at a maximum clock speed of 48 MHz.
Key functions include:
- Digital I/O: Configurable pins for input/output operations.
- Analog Functions: Integrated ADC for analog-to-digital conversion and DAC for digital-to-analog conversion.
- Communication Interfaces: Supports I2C, SPI, and USART for various communication needs.
- Timers: Multiple timers for time-related functions and PWM generation.
- Touch Interface: Capacitive touch sensing capabilities.
- Power Management: Low-power modes for energy efficiency.
- Debugging: SWD (Serial Wire Debug) interface for development and debugging.
This versatile microcontroller is ideal for low-power applications and IoT devices.

Manufacturer

The ATSAML21G18B-MUT is manufactured by Microchip Technology Inc., a leading provider of microcontroller, memory, and analog semiconductors. Founded in 1989, Microchip specializes in embedded control solutions and is known for its wide range of products, including 8-bit, 16-bit, and 32-bit microcontrollers. The company serves various markets, including automotive, industrial, and consumer electronics. Microchip is recognized for its commitment to innovation and customer support, providing development tools and software to facilitate embedded system design.

Application

The ATSAML21G18B-MUT is a low-power microcontroller commonly used in applications such as wearables, IoT devices, smart home products, industrial automation, sensor networks, and battery-operated devices. Its features, including a 32-bit ARM Cortex-M0+ core, low power consumption, and integrated peripherals, make it suitable for real-time control, data acquisition, and wireless communication applications.

Equivalent

The ATSAML21G18B-MUT chip can be considered equivalent to other microcontrollers in the SAM L21 series, such as ATSAML21J18B and ATSAML21G18A. They share similar architectures and features, like low power consumption and ARM Cortex-M0+ cores. However, ensure to verify specific requirements like memory size, peripherals, and package type for compatibility.